Home / 3,706.56-5,554.98-2,389.91

Finding the Fourth Proportional to 3,706.56, 5,554.98 and 2,389.91

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Solution

The fourth proportional to 3,706.56, 5,554.98 and 2,389.91 is: 3,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.56 : 5,554.98 = 2,389.91 : x
  2. Step 2: Convert to fraction form
    3,706.56/5,554.98 = 2,389.91/x
  3. Step 3: Cross multiply
    3,706.56x = 5,554.98 × 2,389.91
  4. Step 4: Simplify right side
    3,706.56x = 13,275,874.48
  5. Step 5: Solve for x
    x = 13,275,874.48/3,706.56
  6. Step 6: Final answer
    x = 3,581.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.